Persistent Postural-Perceptual Dizziness (PPPD): A Common, Characteristic and Treatable Cause of Chronic Dizziness
Pract Neurol 18:5-13, Popkirov, S.,et al, 2018
Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014